Problem database last updated: June 20, 2025
5 problems · 2 Easy, 2 Medium, 1 Hard · Ranked #251 of 458
2 Easy
40% · avg 23%
2 Medium
40% · avg 59%
1 Hard
20% · avg 18%
Based on 5 reported problems, Amdocs interviews are in line with industry averages - 20% Hard vs 18% overall.
Compared to the industry average, Amdocs puts unusual emphasis on string (60% of problems, 2.1x the industry average), dynamic-programming (40% of problems, 2x the industry average). If you're short on time, these are the categories to double down on.
The most common topics are string (60%), dynamic-programming (40%), database (20%), backtracking (20%). Problems below are sorted by frequency, the ones at the top are asked most often.
| Problem | Difficulty | Frequency | Topics | |
|---|---|---|---|---|
Second Highest Salary Table: Employee | Medium | Likely | database | Solve |
Generate Parentheses Given n pairs of parentheses, write a function to generate all combinations of well-formed parentheses. | Medium | Likely | stringdynamic-programmingbacktracking | Solve |
Backspace String Compare Given two strings s and t, return true if they are equal when both are typed into empty text editors. '' means a backspace character. | Easy | Likely | two-pointersstringstack | Solve |
Build Array Where You Can Find The Maximum Exactly K Comparisons You are given three integers n, m and k. Consider the following algorithm to find the maximum element of an array of positive integers: | Hard | Likely | dynamic-programmingprefix-sum | Solve |
Rotate String Given two strings s and goal, return true if and only if s can become goal after some number of shifts on s. | Easy | Likely | stringstring-matching | Solve |
Generate Parentheses
SolveGiven n pairs of parentheses, write a function to generate all combinations of well-formed parentheses.
Backspace String Compare
SolveGiven two strings s and t, return true if they are equal when both are typed into empty text editors. '' means a backspace character.
Build Array Where You Can Find The Maximum Exactly K Comparisons
SolveYou are given three integers n, m and k. Consider the following algorithm to find the maximum element of an array of positive integers:
Rotate String
SolveGiven two strings s and goal, return true if and only if s can become goal after some number of shifts on s.
Frequency scores are based on crowdsourced interview reports. A higher score means the problem has been reported more often in recent Amdocs interviews.
Very Likely
75-100%
Likely
50-74%
Sometimes
25-49%
Rare
0-24%
Amdocs interviews focus heavily on string, dynamic-programming, database problems. If you're short on time, these are the categories to prioritize. The problems on this page are sorted by frequency, so start from the top and work your way down.
Beyond solving problems, practice explaining your approach. Amdocs interviewers care about your thought process - how you break down a problem, consider edge cases, and evaluate tradeoffs between solutions. A clean O(n) solution you can explain clearly beats an O(log n) solution you can't articulate.
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Amdocs has been reported to ask 5 distinct coding problems. The most common topics are string, dynamic-programming, database. 2 are Easy difficulty, 2 are Medium, and 1 are Hard. Problems are sorted by frequency - the ones at the top are asked most often.
Based on 5 reported problems, Amdocs interviews are in line with industry averages - 20% Hard vs 18% overall. 40% of questions are Medium difficulty. Focus on the high-frequency Medium problems first, then work through the Hard ones.
Start with the highest-frequency problems listed on this page. Focus on the core topics: string, dynamic-programming, database. Practice solving them under time pressure and explaining your approach out loud. Mock interviews with AI can simulate the real experience.
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